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G4-GLS GPS_SD_Card Analysis
09-18-2019, 09:39 AM
Post: #1
G4-GLS GPS_SD_Card Analysis
Good Morning!

Just want to share the results from a side project I'm doing.

1. I want to have a backup sana ng GPS-SD card ko
2. The unreasonably high cost of buying a new/orig one is NOT an option
3. Directly copying/duplicating the card, even per sector, is NOT working
4. No one, at least in this forum, seems to have made any good/provable result in backing-up the orig SD card. Let me know kung meron na po na validate na working...

Above forced me to do further study and got below inital result:

Looking at the SD card in windows explorer:
GenieTek/system/syscode.ini

You'll see soemthing similar below:
ETK6_PLUS,aabbccdd

*** I edited "aabbccdd" as I don't want publish my code.
The code "aabbccdd" seems to be a key that locks the software to the SD

There is this thing in the SD card called "CID".

This proved to be difficult to read directly and will need a specific reader/setup.
I was able to make a hardware reader and got from the my orig GPS-SD below:
ddccbbaa

See the pattern? Exact values in HEX, reversed
Now the theory is if I make a duplicate SD card and edit syscode.ini to reflect the correct CID of the duplicate SD, then it should work.

I'll be checking this theory later today.

Let me know guys if you are interested in the next results.
Maybe you want to help out further test this, should it work in my unit - let me know.

Sana ay makatulong kahit paano... :-)
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Friedrich
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09-18-2019, 12:54 PM
Post: #2
RE: G4-GLS GPS_SD_Card Analysis
>> THEORY: If I make a duplicate SD card and edit syscode.ini to reflect the correct CID (of the duplicate SD), then it should work.

Update:
NOT WORKING (YET). But this proved to be the right direction...

1. Before, when a directly copied SD is used the maps will still be displayed but it will be garbled with lines.
2. This time - the software directly displayed "This SD Card is not valid for use in this device..."
3. When I returned the original/legit SD - the system is not working anymore - "NO NAVI FILE FOUND..." :-( PRIORITY TO GET THIS WORKING AGAIN...

There must be some additional layer(s) of protection here.
Or maybe the CID is saved in another location/file or maybe somewhere in the sectors of the card.

This means more time/study is needed to build this backup card...

Anyone here wants to help in this study... the ONLY reward is a backup of your GPS-SD plus the learning, which will be shared later to the group... :-)
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09-19-2019, 08:38 AM
Post: #3
RE: G4-GLS GPS_SD_Card Analysis
I will pause this project for now, as I've found an alternative free/DIY solution that works well with my unit.
Built it yesterday and tested this morning - its good, minus the voice prompts.
>> Works well on a generic SD card
>> Remember to select the 'FREE' option when asked for a license

You can read more from this link/below:

http://www.tsikot.com/forums/car-navigat...dex11.html

ParticleX
August 4th, 2019

This guide is designed for head units with Windows CE OS. It should work with the first generations of the Innova, Hilux, and Fortuner. I believe the Wigo has the same head unit. You may need to disassemble your front panel and physically inspect the head unit for stickers that it has Windows CE, mine has one the says "Windows CE Embedded 6.0"


Remove the SD card from the head unit, insert it into your PC, and backup all of its contents
Reformat the SD card
Analyze the folder hiearchy of the SD card's backup. There should be a folder named "Navigation". Under it is "Navigation.exe". This is the one initiated by the "Navi" button on your head unit. This may vary on other head units.
Create a folder named "Navigation" on your SD card.
Download mapFactor for Windows and install: Navigator Free | mapFactor, s.r.o.
Click the "Use Free Key" button
Click "Install Application, then click "Install Pocket Navigator"
Click "Windows CE device". Click "Install to a memory card"
Navigate to your SD card > Navigation. Click Next. It will copy all mapFactor files into the SD card. When done, click OK
The program will prompt that you need to install map data, click Yes
Click "Install Map Data", then click "Install maps to a memory card"
Navigate to the SD card > Navigation. Click Next.
Click the "Free regions" tab, then check "Philippines OSM" under "Asia". Click Next
Check "English (US)" under "Voice languages". Click Next. It will download what maps and languages you have selected. When done, click OK
Navigate to your SD card's folder > Navigation. Create a copy of "navigator.exe" and name it "Navigation.exe". You can do this with other head units, you can see where this is going...
Remove the SD card and insert it into your vehicle's head unit.
Configure the software on your head unit via the Menu > Settings button
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